Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 301 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹1425 (b) ₹1140 (c) ₹10640 (d) ₹285
2. 2.In how many years will ₹3000 earn ₹720 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
3. 3.In how many years will ₹2500 earn ₹1200 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
4. 4.In how many years will ₹8000 earn ₹3600 simple interest at 9% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
5. 5.What is the simple interest on ₹8500 at 12% per year for 5 years? (a) ₹1020 (b) ₹5100 (c) ₹6120 (d) ₹13600
6. 6.The simple interest on ₹8000 for 5 years is ₹800. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 10%
7. 7.In how many years will ₹1500 earn ₹360 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
8. 8.The simple interest on ₹2000 for 2 years is ₹240. What is the rate per year? (a) 12% (b) 6% (c) 5% (d) 7%
9. 9.The simple interest on ₹2500 for 3 years is ₹225. What is the rate per year? (a) 4% (b) 3% (c) 9% (d) 2%
10. 10.In how many years will ₹8500 earn ₹4250 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
11. 11.In how many years will ₹7000 earn ₹1680 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
12. 12.What is the simple interest on ₹5000 at 12% per year for 4 years? (a) ₹2400 (b) ₹7400 (c) ₹600 (d) ₹3000
13. 13.The simple interest on ₹7000 for 4 years is ₹2240. What is the rate per year? (a) 32% (b) 7% (c) 8% (d) 9%
14. 14.In how many years will ₹9500 earn ₹2280 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
15. 15.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹280 (b) ₹4900 (c) ₹1680 (d) ₹1400
16. 16.What is the simple interest on ₹3500 at 9% per year for 2 years? (a) ₹4130 (b) ₹630 (c) ₹315 (d) ₹945
17. 17.In how many years will ₹5000 earn ₹1000 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
18. 18.The simple interest on ₹1500 for 3 years is ₹405. What is the rate per year? (a) 27% (b) 10% (c) 9% (d) 8%
19. 19.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹1590 (b) ₹90 (c) ₹45 (d) ₹135
20. 20.In how many years will ₹2000 earn ₹320 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
21. 21.In how many years will ₹6500 earn ₹390 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
22. 22.In how many years will ₹4500 earn ₹810 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
23. 23.₹3500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹4550 (b) ₹875 (c) ₹4375 (d) ₹3675
24. 24.What is the simple interest on ₹9000 at 3% per year for 2 years? (a) ₹9540 (b) ₹270 (c) ₹540 (d) ₹810
25. 25.In how many years will ₹3500 earn ₹525 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
26. 26.What is the simple interest on ₹7500 at 10% per year for 5 years? (a) ₹750 (b) ₹4500 (c) ₹3750 (d) ₹11250
27. 27.The simple interest on ₹3000 for 5 years is ₹1650. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 55%
28. 28.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹120 (b) ₹3120 (c) ₹3060 (d) ₹3180
29. 29.In how many years will ₹2000 earn ₹720 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
30. 30.The simple interest on ₹9000 for 3 years is ₹2430. What is the rate per year? (a) 10% (b) 27% (c) 9% (d) 8%
31. 31.In how many years will ₹7000 earn ₹3500 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
32. 32.What is the simple interest on ₹7500 at 4% per year for 2 years? (a) ₹600 (b) ₹900 (c) ₹8100 (d) ₹300
33. 33.What is the simple interest on ₹8000 at 10% per year for 2 years? (a) ₹800 (b) ₹2400 (c) ₹9600 (d) ₹1600
34. 34.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹240 (b) ₹360 (c) ₹3240 (d) ₹120
35. 35.The simple interest on ₹5500 for 3 years is ₹660. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 5%
36. 36.What is the simple interest on ₹3500 at 3% per year for 5 years? (a) ₹105 (b) ₹4025 (c) ₹630 (d) ₹525
37. 37.₹8500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1360 (b) ₹10200 (c) ₹9860 (d) ₹8840
38. 38.The simple interest on ₹7500 for 4 years is ₹3600. What is the rate per year? (a) 13% (b) 12% (c) 48% (d) 11%
39. 39.In how many years will ₹4500 earn ₹720 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
40. 40.The simple interest on ₹8500 for 5 years is ₹4250. What is the rate per year? (a) 9% (b) 50% (c) 11% (d) 10%

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